AJA K3G-Box 1RU External Breakout Box for Kona 3G . Extend your Connectivity with K3G-Box for KONA 3G The optional K3G-Box simplifies connectivity in professional post-production environments by offering a 19-inch, 1RU rack-mountable breakout box that attaches to the KONA 3G via an included multi-pin cable and two cables supplied with the KONA 3G. Additional K3G-Box functionality over the standard breakout cable comes in the form of 8 additional AES audio channels, 2-channel RCA analog audio monitoring jacks, and looping BNC Genlock reference connectors